One of the great philosophers of the 20th Century, Josef Pieper, gives a penetrating introduction and guide to the life and works of perhaps the greatest philosopher ever, St. Thomas Aquinas. Pieper provides a biography of Aquinas, an overview of the 13th century he lived in, and a wonderful synthesis of his vast writings. Pieper shows how Aquinas reconciled the pragmatic thought of Aristotle with the Church, proving that realistic knowledge need...